Best Mailspring alternatives in 2026
2 direct alternatives to Mailspring, compared on pricing, features, and best-for use cases. Pick the right replacement without the marketing fluff.
Why people leave Mailspring
Mailspring is a beautiful, open-source email client for Mac, Linux, and Windows. Supports all IMAP and Office 365 accounts in one unified inbox. Features include read receipts, link tracking, and send later. Themes and layouts let you customize the experience. Translation, snooze…
Common reasons teams switch: pricing as you scale, missing integrations, performance, or a feature gap your team has hit. The alternatives below cover the same core job (email clients) with different trade-offs.
2 alternatives to Mailspring
Ranked by editorial score and direct relevance to Mailspring.
Side-by-side comparisons
In-depth comparison pages for Mailspring versus each alternative.
Still considering Mailspring?
See the full review, pricing breakdown, and community feedback before you decide.